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Lab15Solution

public class Lab15 
{
	public static void main(String[] args) 
	{
		double [][] values = { {1.1,     2.2,   3.3,   4.4, 5.5   },
                		       {6.6,     7.7,   8.8,   9.9, 10    },
                		       {11.11, 12.12, 13.13, 14.14, 15.15 } };

		double [] rowMaxes = rowMaximums(values);
		double [] colMaxes = colMaximums(values);

		System.out.println("Rows:");
		for(int r = 0; r < rowMaxes.length; r++)
			System.out.printf("The max of row %d is %.2f\n", r, rowMaxes[r]);
		System.out.println();

		System.out.println("Cols:");
		for(int c = 0; c < colMaxes.length; c++)
			System.out.printf("The max of col %d is %.2f\n", c, colMaxes[c]);
		System.out.println();
	}

	public static double[] colMaximums(double [][] grid)
	{
		int rows = grid.length;
		int cols = grid[0].length;
		double [] maximums = new double [cols];

		for(int r = 0; r < rows; r++)
			for(int c = 0; c < cols; c++)
				if(maximums[c] < grid[r][c])
					maximums[c] = grid[r][c];

		return maximums;
	}

	public static double[] rowMaximums(double [][] grid)
	{
		int rows = grid.length;
		int cols = grid[0].length;
		double [] maximums = new double [rows];

		for(int r = 0; r < rows; r++)
			for(int c = 0; c < cols; c++)
				if(maximums[r] < grid[r][c])
					maximums[r] = grid[r][c];

		return maximums;
	}
}